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Cirsium undulatum
var.
tracyi
(
Rydb.
)
S.L.Welsh
,
Great Basin Naturalist
43: 254 (1983).
BHL
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:59176-2
Publication
Great Basin Naturalist
Collation
43: 254
Family as entered in IPNI
Asteraceae
Links
Nomenclatural link
Carduus tracyi
Rydb.,
Bull. Torrey Bot. Club 32: 133 (1905).
Same citation as
Cirsium undulatum
var.
tracyi
(Rydb.) S.L.Welsh,
Great Basin Naturalist 43(2): 254 (1983).
Full Record